(Greek mythology) the son of Zeus who slew Medusa (with the help of Athena and Hermes) and rescued Andromeda from a sea monster
a conspicuous constellation in the northern hemisphere; between Auriga and Cassiopeia and crossed by the Milky Way
The mythological Greek warrior who slew the Gorgon Medusa by decapitating her. He married Andromeda after rescuing her from Ceto and founded Mycenae. He was the son of Zeus and Danae.